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Author:

牛小男 (牛小男.) | 崔丽 (崔丽.) (Scholars:崔丽) | 王鹏 (王鹏.) | 贺定勇 (贺定勇.) (Scholars:贺定勇) | 曹庆 (曹庆.)

Abstract:

对3 mm厚TC4钛合金/15-5PH不锈钢异种材料进行了添加镍铝青铜(nickel aluminum bronze,NAB)过渡层的激光填充材料焊接,研究了NAB过渡层对接头成形、微观组织与力学性能的影响.结果表明,添加NAB过渡层的TC4钛合金/15-5PH不锈钢异种材料激光焊接获得了良好成形的全熔透接头,接头抗拉强度达290 MPa,接头钛合金侧界面层硬度为547.8 HV.接头钛合金侧界面由3种不同形态的金属间化合物层组成,其中脆性较小的Cu-Ti,Ni-Ti相的数量显著增多,而脆性高的Ti-Fe相数量明显减少,表明添加NAB过渡层抑制了接头钛合金侧界面脆性高的Ti-Fe相的形成.

Keyword:

钛合金 激光焊 力学性能 不锈钢

Author Community:

  • [ 1 ] 北京工业大学
  • [ 2 ] 江苏斯普瑞科技有限公司

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Source :

焊接学报

Year: 2022

Issue: 01

Volume: 43

Page: 42-47,115-116

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 11

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